Finding the Fourth Proportional to 12,959,443.44, 19,438,902.72 and 3,374,609.76

Step by Step Solution

1. Step 1: Write the proportion equation
   12,959,443.44 : 19,438,902.72 = 3,374,609.76 : x
2. Step 2: Convert to fraction form
   12,959,443.44/19,438,902.72 = 3,374,609.76/x
3. Step 3: Cross multiply
   12,959,443.44x = 19,438,902.72 × 3,374,609.76
4. Step 4: Simplify right side
   12,959,443.44x = 65,598,710,842,602.54
5. Step 5: Solve for x
   x = 65,598,710,842,602.54/12,959,443.44
6. Step 6: Final answer
   x = 5,061,846.30